I would like to express my sincere and heartfelt thanks for the wonderful and professional treatment received therein. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). Dear Healthcare Worker, To begin I want to thank you for being there everyday and showing up to help those in need. "I want to express my heartfelt appreciation for the care and support you have provided. Your commitment to your patients is truly admirable. Here are some readymade messages you can use to uplift a frontline worker. They are sure to appreciate the support. Express gratitude with our ready-to-use templates. I wanted to thank you for all of your hard work and dedication to your job, and specifically for the excellent care you provided for.